39821241903 has 16 divisors (see below), whose sum is σ = 55999305600. Its totient is φ = 25100828640.

The previous prime is 39821241883. The next prime is 39821241907. The reversal of 39821241903 is 30914212893.

It is not a de Polignac number, because 39821241903 - 2⁹ = 39821241391 is a prime.

It is a super-2 number, since 2×39821241903² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39821241907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657253 + ... + 715278.

It is an arithmetic number, because the mean of its divisors is an integer number (3499956600).

Almost surely, 2^39821241903 is an apocalyptic number.

39821241903 is a deficient number, since it is larger than the sum of its proper divisors (16178063697).

39821241903 is a wasteful number, since it uses less digits than its factorization.

39821241903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373062.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 39821241903 in words is "thirty-nine billion, eight hundred twenty-one million, two hundred forty-one thousand, nine hundred three".